Overcap for a nasal inhalation device



FIG. 1 is a front view of an overcap for a nasal inhalation device, showing our new design, the rear being a mirror image thereof;

FIG. 2 is a right side view, the left side being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear plan view thereof;

FIG. 5 is a front perspective view thereof; and,

FIG. 6 is a side perspective view thereof. 

The ornamental design for an overcap for a nasal inhalation device, as shown and described. 